placenta praevia वाक्य

Writing separately in The Lancet, Lumley said it was already known that previous Caesarean delivery is associated with an increase in subsequent problems like placenta praevia, where the mother's placenta becomes detached too early, and ectopic pregnancy, where a fetus implants outside the womb.
If the placenta "'is "'blocking the cervix, it's a dangerous and abnormal situation ( the condition is known as placenta praevia; it can cause excessive bleeding at the time of birth and can result in both maternal and fetal death . )-Nunh-huh 06 : 35, 4 July 2011 ( UTC)